CA2952244A1 - Signalisation de parametres hrd pour des partitions de trains de bits - Google Patents

Signalisation de parametres hrd pour des partitions de trains de bits Download PDF

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CA2952244A1
CA2952244A1 CA2952244A CA2952244A CA2952244A1 CA 2952244 A1 CA2952244 A1 CA 2952244A1 CA 2952244 A CA2952244 A CA 2952244A CA 2952244 A CA2952244 A CA 2952244A CA 2952244 A1 CA2952244 A1 CA 2952244A1
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bitstream
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video
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CA2952244C (fr
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Ye-Kui Wang
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/187—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a scalable video layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Dans un exemple, un dispositif de codage (par exemple, codage et décodage) de données vidéo comporte une mémoire pour stocker des données d'un train de bits et un codeur vidéo configuré pour : déterminer s'il faut coder un élément de syntaxe de retard d'arrivée initial d'un message SEI (d'informations d'amélioration supplémentaires) de temps d'arrivée initial de partition de trains de bits pour ledit train de bits selon que des paramètres de décodeur de référence hypothétique (HRD) sont codés pour le train de bits ; et, en réponse à la détermination de coder l'élément de syntaxe de retard d'arrivée initial, coder l'élément de syntaxe de retard d'arrivée initial. Le codeur vidéo peut déterminer de coder l'élément de syntaxe de retard d'arrivée initial uniquement lorsqu'un drapeau VclHrdBpPresent pour le train de bits a la valeur « vrai », par exemple, uniquement lorsque des paramètres HRD de la couche de codage vidéo (VCL) sont codés dans le train de bits ou lorsqu'il est déterminé que des opérations HRD VCL sont nécessaires dans le train de bits.
CA2952244A 2014-06-18 2015-06-17 Signalisation de parametres hrd pour des partitions de trains de bits Active CA2952244C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462013965P 2014-06-18 2014-06-18
US62/013,965 2014-06-18
US14/741,298 US10063867B2 (en) 2014-06-18 2015-06-16 Signaling HRD parameters for bitstream partitions
US14/741,298 2015-06-16
PCT/US2015/036179 WO2015195767A1 (fr) 2014-06-18 2015-06-17 Signalisation de paramètres hrd pour des partitions de trains de bits

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CA2952244A1 true CA2952244A1 (fr) 2015-12-23
CA2952244C CA2952244C (fr) 2020-10-13

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CA2952243A Active CA2952243C (fr) 2014-06-18 2015-06-17 Signalisation de parametres hrd pour des divisions de flux binaire
CA2952242A Active CA2952242C (fr) 2014-06-18 2015-06-17 Signalisation de parametres hrd pour des divisions de flux binaire

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Country Status (7)

Country Link
US (3) US9819948B2 (fr)
EP (3) EP3158757B1 (fr)
JP (4) JP2017525231A (fr)
KR (3) KR102310751B1 (fr)
CN (3) CN106464917B (fr)
CA (3) CA2952244C (fr)
WO (3) WO2015195761A1 (fr)

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Publication number Publication date
KR20170019355A (ko) 2017-02-21
CA2952243A1 (fr) 2015-12-23
CN106464918A (zh) 2017-02-22
EP3158768A1 (fr) 2017-04-26
JP6720089B2 (ja) 2020-07-08
US20150373373A1 (en) 2015-12-24
CA2952242C (fr) 2024-04-16
WO2015195761A1 (fr) 2015-12-23
KR20170019356A (ko) 2017-02-21
CN106464916B (zh) 2019-10-25
JP2017522799A (ja) 2017-08-10
WO2015195767A1 (fr) 2015-12-23
CN106464917B (zh) 2019-10-25
US9819948B2 (en) 2017-11-14
US20150373347A1 (en) 2015-12-24
US10063867B2 (en) 2018-08-28
BR112016029306A2 (pt) 2017-08-22
JP6822847B2 (ja) 2021-01-27
JP2017525231A (ja) 2017-08-31
CN106464917A (zh) 2017-02-22
US9813719B2 (en) 2017-11-07
KR102383620B1 (ko) 2022-04-05
CA2952244C (fr) 2020-10-13
EP3158758A1 (fr) 2017-04-26
JP2017522795A (ja) 2017-08-10
KR20170021781A (ko) 2017-02-28
WO2015195763A1 (fr) 2015-12-23
EP3158758B1 (fr) 2020-12-09
US20150373356A1 (en) 2015-12-24
BR112016029668A2 (pt) 2017-08-22
CN106464916A (zh) 2017-02-22
EP3158757B1 (fr) 2021-07-21
BR112016029356A2 (pt) 2017-08-22
CA2952242A1 (fr) 2015-12-23
EP3158757A1 (fr) 2017-04-26
KR102032604B1 (ko) 2019-10-15
KR102310751B1 (ko) 2021-10-07
JP2020123963A (ja) 2020-08-13
CN106464918B (zh) 2019-04-16
CA2952243C (fr) 2019-07-02

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